SOLUTION: Please help me solve this. Find the value of k such that the system of linear equations is inconsistent.
4x + 2y = 6
−6x + ky = −8
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Question 353734: Please help me solve this. Find the value of k such that the system of linear equations is inconsistent.
4x + 2y = 6
−6x + ky = −8
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
You can form the augmented matrix for this system, reduce it to echelon form, and find out that k should be equal to -3.
Done by your usual substitution method, the first equation leads to . Put into the 2nd equation, we get.
.
,
.
the denominator will be undefined if , or .
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